Distinguish Exothermic and Endothermic Reactions Practice Test

A plant is placed under a bright grow light. Over time it produces glucose from carbon dioxide and water. The process requires a continuous input of light energy. How should this process be classified in terms of energy transfer?

A small piece of magnesium ribbon is lit and burns with a bright white light. The air near the flame becomes noticeably warmer. Which choice best describes the energy transfer for this reaction?